package com.debug_;

import java.util.Arrays;

public class debug04 {
    public static void main(String[] args) {
        int[] arr = {1,-1,10,-20,100};
        Arrays.sort(arr);
        for (int i = 0; i < arr.length; i++) {
            System.out.println(arr[i] + "\t");
        }
        System.out.println("12");
        System.out.println("123");
        System.out.println("1234");
        System.out.println("12345");
        System.out.println("123456");
        System.out.println("1234567");
        System.out.println("12345678");
        System.out.println("123456789");
    }
}
